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To solve the sequencing problem in mixed-model flexible assembly lines (MMFALs) with variable launching intervals, a mathematical model aiming to minimize the cost of utility and idle times is developed. To obtain high-quality sequences, an advanced scatter search (ASS) algorithm is proposed. A heuristic approach, i.e. launching intervals between products algorithm (LIBPA), is incorporated into the...
This paper introduces a new hybrid control policy called BCK policy (the superposition of Base Stock, CONWIP, and Kanban). According to BCK policy, the wheel trim production line with four stages in series is modeled by Petri net. And the model is simulated by Arena simulation software package version 7.0. The performance of BCK policy against other policies is compared through simulation experiments...
This paper introduces an improved model considering handling cost and handling time for multi-rows facility layout problem (FLP). A hybrid algorithm which is the superposition of genetic algorithm (GA) and tabu search (TS) is proposed to solve the model. A recombination operator called TSR is designed through introducing the memory function of TS into simple GA, and a mutation operator called TSM...
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